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Taxon profile

species

Cerithiopsis argentea W. H. Dall, 1927

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  family Cerithiopsidae »  genus Cerithiopsis

Scientific synonyms

Cerithiopsis argenteum W. H. Dall, 1927

Taxon in country check-lists*

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Description

Shell small, silvery white, with one smooth swollen nuclear and one nepionic whorl with small arcuate riblets, succeeded by 10 rather flatsided adult whorls; suture distinct, not constricted, a slight overhang to the preceding whorl; axial sculpture of (on the last whorl about 15) narrow, close-set, protractively oblique riblets; the periphery of the whorls is somewhat anterior; spiral sculpture of 3 small threads, the posterior thread less prominent, all minutely nodulous at the intersections; sculpture becoming obsolete on the last whorl; base smooth and rounded, canal short. Height, 5.5; diameter, 1.4 mm. U. S. Nat. Mus. Cat. No. 333474. Off Georgia, 20 specimens. A variety is more slender, with the ribs concavely arcuate. U. S. Nat. Mus. Cat. No. 333475; off Georgia, six specimens. Another variety (?) from the same locality has the anterior spiral prominent, the sides of the whorl more flattish and sloping. U. S. Nat. Mus. Cat. No. 333476, one specimen.
Dall, W. H. (1927). Small shells from dredgings off the southeast coast of the United States by the United States Fisheries Steamer "Albatross", in 1885 and 1886.
Author: Jan Delsing

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [as Cerithiopsis argenteum Dall, 1927]
Data retrieved on: 29 November 2013

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